Physics, asked by kapparao220, 8 months ago

In figure the points C1 and C2 denote the centres of curvatures then the focal length of the thin lens is
a) 20 cm
b) 10 cm
c) 30 cm
d) 40 cm

Answers

Answered by ridhimasambyal199

3

Answer:

d part is right answer.. I think it's help you

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